Exploit/Advisories

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Ubuntu Security Notice USN-6729-3
April 29, 2024

apache2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS

Summary:

Several security issues were fixed in Apache HTTP Server.

Software Description:
- apache2: Apache HTTP server

Details:

USN-6729-1 fixed vulnerabilities in Apache HTTP Server. This update
provides the corresponding updates for Ubuntu 24.04 LTS.

Original advisory details:

Orange Tsai discovered that the Apache HTTP Server incorrectly handled
validating certain input. A remote attacker could possibly use this
issue to perform HTTP request splitting attacks. (CVE-2023-38709)
Keran Mu and Jianjun Chen discovered that the Apache HTTP Server
incorrectly handled validating certain input. A remote attacker could
possibly use this issue to perform HTTP request splitting attacks.
(CVE-2024-24795)
Bartek Nowotarski discovered that the Apache HTTP Server HTTP/2 module
incorrectly handled endless continuation frames. A remote attacker could
possibly use this issue to cause the server to consume resources, leading
to a denial of service. (CVE-2024-27316)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
apache2 2.4.58-1ubuntu8.1

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6729-3
https://ubuntu.com/security/notices/USN-6729-1
CVE-2023-38709, CVE-2024-24795, CVE-2024-27316

Package Information:
https://launchpad.net/ubuntu/+source/apache2/2.4.58-1ubuntu8.1

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